Treatment of Hypoxemia: A New Mask for Delivering Controlled Low-Concentration Oxygen

Autor: Chusid, E. Leslie, Miller, Albert, Samortin, Teresita G., Daly, Eileen E.
Zdroj: JAMA: Journal of the American Medical Association; November 1970, Vol. 214 Issue: 5 p889-893, 5p
Abstrakt: A simple, inexpensive, disposable plastic mask for controlled low-concentration oxygen inhalation has been developed. An inspired oxygen concentration of about 24% is obtained with an oxygen flow rate of 1.5 to 2 liter/min through a Venturi device, with negligible rebreathing of carbon dioxide (mean FICO2, 0.7%) under the mask. In 68 patients the mask raised the arterial oxygen tension by a mean of 34 mm Hg, whatever the clinical diagnosis or initial Pao2. The mean rise in Paco2, in patients with hypercapnia, eucapnia, or hypocapnia did not exceed 3 mm Hg during low oxygen inhalation with the new mask. The mask is an economical and well-tolerated method of short- or long-term low oxygen therapy in patients with hypoxemia of varied causes.
Databáze: Supplemental Index